Dacke

07217, 1979 QX3, 1979QX3, 1991 TG1, 1991TG1, J79Q03X, J91T01G

All data for this body: [vot]

MPC data
Name (number) Dacke (7217)
a 3.21578
e 0.16450
i / sin(i) 10.1435 / 0.17611
q 2.68680
Q 3.74476
ω 354.9858
Node 325.4572
m 354.0533
n 0.1709
Epoch 2460800.5
nobs 7094
nopp 29
Years observed 1979-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.219
ep 0.153
sin(ip) 0.185
G 0.150
H 11.730
Mass
D 24.61 0.150
pV 0.078 0.0039
Value
Rotational Period 13.500
Period quality 2
Spectral Class D
Spectral Class Score 12.043
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2186 0.1533 0.1849 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
24.28 0.239 0.239 Masiero 2011ApJ...741...68M NEATM
24.42 0.200 0.200 Masiero 2014ApJ...791..121M NEATM
29.47 2.400 2.400 Tedesco 2002AJ....123.1056T STM
29.50 2.950 2.950 Ali-Lagoa 2018A&A...612A..85A NEATM
29.63 0.750 0.750 Usui 2011PASJ...63.1117U NEATM
31.58 6.320 6.320 Ali-Lagoa 2018A&A...612A..85A NEATM
31.92 12.650 12.650 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.051 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.051 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.059 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.090 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.091 0.0050 0.0050 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.56 2 Synodic Yeh 2020AJ....160...73Y Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.3635 0.7330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8201 0.7330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8236 0.7330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.646 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
XD 0.31 Bus VIS Carvano 2010A&A...510A..43C PHOT